4" 2 Way Coax - Integral Grill SpeakerPart Number: MA-4054 MA-4054 is a 4" cone size two-way coaxial speaker. This speaker featured a rugged waterproof design, teflon-coated wires, plastic grills, polypropylene cones, mylar tweeters and plastic frames, to provide years of trouble-free service. Ultra-low magnetic field speakers eliminates the problem of speakers magnets affecting navigation equipment such as compasses and autopilots. Peak power handling capability 80W/pairFeaturesUltra-low magnetic field speakerIdeal replacement speakers for boaters who want to upgrade to waterproof speakers without changing the cutout sizeIntegral grills allow for simple, one-piece installationStainless steel mounting harware includedAvailable in Black and WhiteSpecificationsFrequency response: 65Hz to 20KHZ (2 way)SPL: 87dBType: 2-way CoaxialCone Size: 4" (102mm)Speaker Impedance: 4 ohmsPeak Power: 80 watts per pairContinuous Power: 40 watts RMS/pairWeight: 1.2 lbs per unit weightOutside Diameter: 5-1/4" (132mm)Cutout Diameter: 4-1/16" (102mm)Mounting Depth: 2-1/8" (54mm)